cfc-11

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Barrow Atmospheric Baseline Observatory climate science

On Utqiagvik's edge, an observatory measures the gases that are warming the Arctic and the planet

NOAA’s Barrow Atmospheric Baseline Observatory got a big upgrade enabling more science at a time when climate-change conditions are getting worse.

China’s emissions of ozone-harming gas are declining, studies find
www.nytimes.com

China’s emissions of ozone-harming gas are declining, studies find

New research confirms that emissions from China of CFC-11, a banned gas that harms Earth’s ozone layer, have fallen sharply, reversing a dangerous spike.
The global victory over ozone-killing chemicals is coming undone

The global victory over ozone-killing chemicals is coming undone

Mysterious emissions have been slowing the atmosphere's healing. Scientists think they've finally discovered the source.

Banned ozone-harming gas, once on the rise, declines again
www.nytimes.com

Banned ozone-harming gas, once on the rise, declines again

Emissions of CFC-11, which had risen unexpectedly since 2012, appear to have fallen off in the last two years.
Newsletter
Ozone and alcohol: Two must-read stories for your week

Ozone and alcohol: Two must-read stories for your week

An environmental whodunnit tracks illicit manufacture of banned CFCs to China, while a former Senate Finance staffer finds a flood of corporate money influencing National Institutes of Health research.

The news deluge is so constant that sometimes important stories get buried before you have a chance to see 'em. Here are two we saw over the weekend that are worth your time this week.

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In a high-stakes environmental whodunit, many clues point to China
www.nytimes.com

In a high-stakes environmental whodunit, many clues point to China

Scientists say new production of a banned industrial chemical is damaging the ozone layer. Investigations by The Times and an independent environmental group lead to factories in China.
Newsletter
Unknown source ramps up ozone-destroying CFC production
cosmosmagazine.com

Unknown source ramps up ozone-destroying CFC production

Modelling shows CFC decline has slowed – and no one knows why.

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